Основа для оформления накладных

App/Waybill/db/sql_provider.py

@@ -0,0 +1,14 @@
+import os
+from string import Template
+
+class SQLProvider:
+    def __init__(self, file_path):
+        self.scripts = {}
+        for file in os.listdir(file_path):
+            _sql = open(f'{file_path}/{file}').read()
+            self.scripts[file] = Template(_sql)
+
+    def get(self, name, params) -> dict:
+        if name not in self.scripts:
+            raise ValueError(f'SQL template {name} not found')
+        return self.scripts[name].substitute(**params)